/* ============================================================
   PRODUCT PAGE — общий шаблон для всех product-*.html
   Подключается через <link rel="stylesheet" href="css/product-page.css">
   после css/style.css. Правки здесь применяются сразу ко всем
   товарным страницам, которые его подключают.
   ============================================================ */

[hidden]{display:none!important}

/* ── Шапка страницы / хлебные крошки ───────────────────────── */
.page-header{background:linear-gradient(135deg,#0F0F0F 0%,#1A0A0A 40%,#2D0D0D 100%);padding-block:36px;margin-block-start:var(--nav-h);position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,rgba(212,43,43,.25) 0%,transparent 60%);pointer-events:none}
.page-header>.container{position:relative}
.breadcrumb{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.35)}
.breadcrumb a{text-decoration:none;color:rgba(255,255,255,.35);transition:color 150ms}
.breadcrumb a:hover{color:rgba(255,255,255,.7)}
.breadcrumb span{color:rgba(255,255,255,.55)}

/* ── Раскладка ──────────────────────────────────────────────── */
.product-page{padding-block:56px}
.product-layout{display:grid;grid-template-columns:2fr 3fr;gap:56px;align-items:start}
@media(max-width:768px){.product-layout{grid-template-columns:1fr}}

/* ── Галерея ────────────────────────────────────────────────── */
.product-gallery__main{aspect-ratio:1;background:linear-gradient(135deg,#0F0F0F 0%,#1A0A0A 50%,#2D0D0D 100%);border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative;margin-bottom:12px;border:1px solid rgba(255,255,255,.06)}
.product-gallery__main::before{display:none}
/* Модификатор: светлый фон 4:3 — для фото, снятых на белом фоне */
.product-gallery__main--light{aspect-ratio:4/3;background:#fff;border:1px solid var(--gray-200)}
.product-gallery__main img{width:100%;height:100%;object-fit:contain;padding:0;filter:none;display:block}
.product-gallery__placeholder{position:relative;display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.product-gallery__placeholder p{font-size:12px;color:rgba(255,255,255,.25)}
/* Бейджи поверх фото */
.gallery-badges{position:absolute;bottom:10px;left:10px;display:flex;gap:6px;z-index:2;flex-wrap:wrap}
.gallery-badge{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.5px;padding:3px 9px;border-radius:4px;backdrop-filter:blur(6px)}
.gallery-badge--exd{background:rgba(212,43,43,.85);color:#fff;border:1px solid rgba(212,43,43,.5)}
.gallery-badge--exi{background:rgba(212,43,43,.85);color:#fff;border:1px solid rgba(212,43,43,.5)}

.product-gallery__thumbs{display:flex;gap:10px}
.product-gallery__thumb{width:72px;height:72px;flex-shrink:0;background:var(--gray-100);border:2px solid var(--gray-200);border-radius:8px;overflow:hidden;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color 150ms}
.product-gallery__thumb--active{border-color:var(--red)}
.product-gallery__thumb:hover{border-color:var(--red)}
.product-gallery__thumb img{width:100%;height:100%;object-fit:cover}

/* ── Инфо: категория / бейджи ──────────────────────────────────
   Бейджи всегда лежат в .product-info__badge-group с
   position:absolute — высота строки категории не зависит от
   того, сколько бейджей выводится (1 или несколько в столбик). */
.product-info__category{position:relative;font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--red);margin-bottom:10px;padding-right:100px;min-height:16px}
.product-info__badge-group{position:absolute;top:0;right:0;display:flex;flex-direction:column;gap:4px;align-items:flex-end}
.product-info__badge{display:inline-block;background:var(--red);color:var(--white);font-size:9px;font-weight:700;letter-spacing:.5px;padding:2px 7px;border-radius:4px;text-transform:none}

.product-info__name{font-size:30px;font-weight:800;color:var(--gray-900);letter-spacing:-.5px;line-height:1.15;margin-bottom:6px}
.product-info__model{font-size:13px;color:var(--gray-500);margin-bottom:20px}

.product-info__highlights{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.highlight-item{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--gray-700,#404040);line-height:1.4}
.highlight-item__icon{width:28px;height:28px;flex-shrink:0;background:rgba(212,43,43,.08);border-radius:6px;display:flex;align-items:center;justify-content:center;margin-top:1px}

/* ── Выбор исполнения ───────────────────────────────────────── */
.product-variants{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;padding:16px;background:var(--gray-50);border-radius:10px;border:1px solid var(--gray-200)}
.product-variants__label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--gray-500);margin-bottom:4px}
.variant-option{display:flex;align-items:center;gap:10px;cursor:pointer;padding:10px 12px;border-radius:8px;border:1px solid var(--gray-200);background:var(--white);transition:border-color 150ms,background 150ms}
.variant-option:has(input:checked){border-color:var(--red);background:rgba(212,43,43,.03)}
.variant-option input[type="radio"]{accent-color:var(--red)}
.variant-option__name{font-size:14px;font-weight:600;color:var(--gray-900);flex:1}
.variant-option__price{font-size:16px;font-weight:800;color:var(--gray-900)}

/* ── Подсказка (i) ──────────────────────────────────────────── */
.info-tip{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;flex-shrink:0;border-radius:50%;background:var(--gray-200);color:var(--gray-500);font-size:10px;font-weight:800;font-style:normal;cursor:help;position:relative;vertical-align:middle;margin-left:5px;transition:background 150ms,color 150ms;user-select:none}
.info-tip:hover,.info-tip:focus{background:var(--red);color:var(--white);outline:none}
.info-tip::after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(4px);background:var(--gray-900);color:var(--white);font-size:12px;font-weight:400;line-height:1.6;padding:10px 14px;border-radius:8px;white-space:pre-line;min-width:260px;max-width:320px;text-align:left;pointer-events:none;opacity:0;transition:opacity 180ms,transform 180ms;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.info-tip::before{content:'';position:absolute;bottom:calc(100% + 4px);left:50%;transform:translateX(-50%);border:5px solid transparent;border-top-color:var(--gray-900);pointer-events:none;opacity:0;transition:opacity 180ms}
.info-tip:hover::after,.info-tip:focus::after{opacity:1;transform:translateX(-50%) translateY(0)}
.info-tip:hover::before,.info-tip:focus::before{opacity:1}

/* ── Цена (для страниц без переключателя исполнений) ───────── */
.price-block{padding:16px;background:var(--gray-50);border-radius:10px;border:1px solid var(--gray-200);margin-bottom:16px}
.price-block__val{font-size:28px;font-weight:800;color:var(--gray-900);letter-spacing:-.5px}
.price-block__note{font-size:12px;color:var(--gray-500);margin-top:4px}

/* ── Индикатор корзины ──────────────────────────────────────── */
.cart-indicator{display:flex;align-items:center;gap:8px;padding:10px 14px;margin-bottom:20px;background:rgba(26,122,60,.06);border:1px solid rgba(26,122,60,.25);border-radius:8px;font-size:13px;color:var(--gray-500);animation:indFadeIn 300ms ease-out}
.cart-indicator__icon{color:#1a7a3c;display:flex;align-items:center}
.cart-indicator strong{color:#1a7a3c;font-weight:700}
.cart-indicator__link{margin-left:auto;flex-shrink:0;font-size:12px;font-weight:600;color:#1a7a3c;text-decoration:none;transition:opacity 150ms}
.cart-indicator__link:hover{opacity:.7}
@keyframes indFadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ── Покупка ────────────────────────────────────────────────── */
.product-purchase{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.qty-control{display:flex;align-items:center;border:1px solid var(--gray-200);border-radius:8px;overflow:hidden;flex-shrink:0}
.qty-btn{width:36px;height:44px;background:var(--white);border:none;cursor:pointer;font-size:18px;font-weight:300;color:var(--gray-500);display:flex;align-items:center;justify-content:center;transition:background 150ms,color 150ms}
.qty-btn:hover{background:var(--gray-100);color:var(--gray-900)}
.qty-input{width:44px;height:44px;border:none;border-inline:1px solid var(--gray-200);text-align:center;font-size:15px;font-weight:600;font-family:var(--font);color:var(--gray-900)}
.qty-input:focus{outline:none;background:var(--gray-50)}
.qty-input::-webkit-outer-spin-button,.qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.qty-input[type=number]{-moz-appearance:textfield}
.btn-add-cart{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--red);color:var(--white);border:none;cursor:pointer;height:44px;padding-inline:20px;border-radius:8px;font-size:14px;font-weight:600;font-family:var(--font);letter-spacing:.2px;transition:background 150ms,transform 150ms}
.btn-add-cart:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-add-cart--added{background:#1a7a3c;pointer-events:none}
.btn-add-cart--added:hover{background:#1a7a3c;transform:none}
.btn-order-link{display:inline-flex;align-items:center;justify-content:center;height:44px;padding-inline:20px;border:1.5px solid var(--gray-200);border-radius:8px;font-size:14px;font-weight:600;color:var(--gray-800);text-decoration:none;transition:border-color 150ms,color 150ms}
.btn-order-link:hover{border-color:var(--red);color:var(--red)}

/* ── Быстрые ссылки на документы (если выводятся не во вкладке) ── */
.product-docs{display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:1px solid var(--gray-100)}
.product-doc-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--gray-600,#555);text-decoration:none;transition:color 150ms}
.product-doc-link:hover{color:var(--red)}
.product-doc-link__icon{width:28px;height:28px;flex-shrink:0;background:rgba(212,43,43,.08);border-radius:6px;display:flex;align-items:center;justify-content:center}

/* ── Вкладки ────────────────────────────────────────────────── */
.product-tabs{margin-block:56px 0}
.tabs-nav{display:flex;gap:0;border-bottom:1px solid var(--gray-200);margin-bottom:40px}
.tab-btn{padding:14px 24px;font-size:14px;font-weight:500;color:var(--gray-500);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;font-family:var(--font);white-space:nowrap;transition:color 150ms,border-color 150ms}
.tab-btn:hover{color:var(--gray-900)}
.tab-btn--active{color:var(--red);border-color:var(--red);font-weight:600}
.tab-panel{display:none}
.tab-panel--active{display:block}

/* ── Вкладка «Описание» ─────────────────────────────────────── */
.product-desc-text{font-size:15px;color:var(--gray-500);line-height:1.8;margin-bottom:20px;max-width:760px}
.product-desc-text strong{color:var(--gray-800);font-weight:600}
.product-desc-subtitle{font-size:17px;font-weight:700;color:var(--gray-900);margin-bottom:12px;margin-top:28px}

.execution-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.execution-item{display:flex;gap:16px;padding:16px 20px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:10px}
.execution-item__num{font-size:12px;font-weight:700;color:var(--red);flex-shrink:0;padding-top:2px}
.execution-item__text{font-size:14px;color:var(--gray-500);line-height:1.6}

.variant-block{border:1px solid var(--gray-200);border-radius:12px;overflow:hidden;margin-bottom:20px}
.variant-block__header{padding:12px 16px;background:var(--gray-100);font-size:13px;font-weight:600;color:var(--gray-600);border-bottom:1px solid var(--gray-200)}
.variant-block__body{padding:16px}
.variant-block__desc{font-size:14px;color:var(--gray-700);line-height:1.7;margin-bottom:12px}
.variant-block__callout{padding:14px 16px;background:var(--gray-50);border-radius:8px;border-left:3px solid var(--red);font-size:14px;color:var(--gray-700);line-height:1.7}
.variant-block__callout p{margin:0 0 6px}
.variant-block__callout p:last-child{margin:0}

/* ── Вкладка «Технические характеристики» ──────────────────── */
.specs-section-title{font-size:14px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--gray-900);margin-bottom:16px;margin-top:32px;padding-bottom:8px;border-bottom:2px solid var(--gray-200)}
.specs-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:24px}
.specs-table tr{border-bottom:1px solid var(--gray-100)}
.specs-table tr:last-child{border-bottom:none}
.specs-table td{padding:12px 16px;vertical-align:top;line-height:1.5}
.specs-table td:first-child{width:36%;color:var(--gray-500);padding-left:0}
.specs-table td:last-child{font-weight:500;color:var(--gray-900)}
.specs-table tr:hover td{background:var(--gray-50)}
.specs-sub{display:block;padding:2px 8px 2px 12px;margin:2px 0;border-radius:4px;color:var(--gray-500);font-weight:400;font-size:13px}
.specs-sub:nth-of-type(even){background:var(--gray-50)}

/* ── Карточный вид характеристик (стандарт для всех страниц) ─ */
.specs-cards{display:flex;flex-direction:column;gap:10px;max-width:720px}
.specs-card{background:var(--white);border-radius:10px;overflow:hidden;border:1px solid var(--gray-100);box-shadow:0 1px 4px rgba(0,0,0,.05)}
.specs-card__head{background:#161a22;padding:10px 20px;display:flex;align-items:center;gap:10px}
.specs-card__dot{width:5px;height:5px;border-radius:50%;background:var(--red);flex-shrink:0}
.specs-card__title{font-size:10px;font-weight:600;letter-spacing:1.3px;text-transform:uppercase;color:rgba(235,240,250,.65);font-family:var(--font)}
.specs-row{display:flex;align-items:baseline;gap:20px;padding:12px 20px;border-bottom:1px solid var(--gray-100)}
.specs-row:last-child{border-bottom:none}
.specs-row__label{flex:0 0 46%;font-size:14px;font-weight:400;color:var(--gray-500);line-height:1.55;font-family:var(--font)}
.specs-row__value{flex:1;font-size:14px;font-weight:400;color:var(--gray-900);line-height:1.55;font-family:var(--font)}
.specs-pair{display:flex;gap:4px;font-size:13px;line-height:1.5}
.specs-pair+.specs-pair{margin-top:3px}
.specs-pair__label{color:var(--gray-500)}
.specs-pair__label::after{content:' —';margin-right:3px}
.specs-pair__value{color:var(--gray-900)}

.cert-table{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:24px;border:1px solid var(--gray-200);border-radius:8px;overflow:hidden}
.cert-table th{background:var(--gray-900);color:var(--white);padding:9px 14px;text-align:left;font-size:12px;font-weight:600;letter-spacing:.3px}
.cert-table td{padding:10px 14px;border-bottom:1px solid var(--gray-100);vertical-align:top;line-height:1.5;color:var(--gray-700)}
.cert-table tr:last-child td{border-bottom:none}
.cert-table .cert-file a{display:inline-flex;align-items:center;gap:6px;color:var(--red);text-decoration:none;font-weight:500;transition:opacity 150ms}
.cert-table .cert-file a:hover{opacity:.75}

/* ── Блок-примечание ────────────────────────────────────────── */
.product-note{margin-top:48px;padding:20px 24px;background:rgba(212,43,43,.05);border:1px solid rgba(212,43,43,.2);border-left:4px solid var(--red);border-radius:0 10px 10px 0;display:flex;gap:16px;align-items:flex-start}
.product-note__icon{flex-shrink:0;width:36px;height:36px;background:rgba(212,43,43,.12);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--red)}
.product-note__text{font-size:14px;color:var(--gray-500);line-height:1.7}
.product-note__text a{color:var(--red);text-decoration:none;font-weight:500}
.product-note__text a:hover{opacity:.75}
.product-note__text strong{color:var(--gray-800);font-weight:600}